:root{--accent:#4caf50;--dark:#0f0f0f;--light:#fafafa;--sticky-height:60px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Arial,Helvetica,sans-serif;line-height:1.5;background:#fff;color:#222}header,main,footer,section,nav{width:100%;margin:0 auto;padding:1rem}header{position:relative;z-index:5}#hero{position:relative;height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;overflow:hidden}#hero canvas{position:absolute;top:0;left:0;width:100%;height:100%}#hero h1{font-size:2rem;z-index:1}.cta{display:inline-block;background:var(--accent);color:#fff;padding:.8rem 1.4rem;border-radius:4px;font-weight:700;text-decoration:none;margin-top:1rem;z-index:1}.cta:hover{opacity:.9}#toc{position:sticky;top:0;background:#fff;border-bottom:2px solid var(--accent);z-index:4;display:flex;overflow-x:auto}#toc a{padding:.7rem 1rem;text-decoration:none;color:#222;white-space:nowrap}#toc a.active{background:var(--accent);color:#fff}.intent{padding:2rem 1rem;border-bottom:1px solid #eee}.intent h2{margin-bottom:1rem;font-size:1.5rem}.intent table{width:100%;border-collapse:collapse;margin:1rem 0}.intent th,.intent td{border:1px solid #ccc;padding:.5rem;text-align:left}.fact{background:var(--accent);color:#fff;display:inline-block;padding:.2rem .5rem;border-radius:3px;font-size:.9rem;margin:1rem 0}.up{display:block;margin:1rem 0;text-align:right;font-size:.9rem;text-decoration:none;color:var(--accent)}#stickyBar{position:fixed;bottom:-var(--sticky-height);left:0;width:100%;height:var(--sticky-height);background:var(--accent);display:flex;justify-content:center;align-items:center;transition:.4s;z-index:6}#stickyBar.show{bottom:0}#stickyBar a{color:#fff;text-decoration:none;font-weight:700}#welcomeModal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:10}#dialog{background:#fff;border-radius:8px;padding:1.5rem;max-width:340px;width:90%;position:relative;text-align:center}#dialog h3{margin-bottom:1rem}#slotCanvas{border:2px solid var(--accent);border-radius:6px;margin:.5rem auto;display:block;background:#fafafa}#stopBtn{margin-top:1rem}#closeModal{position:absolute;right:8px;top:8px;font-size:1.4rem;cursor:pointer;background:0 0;border:none;color:#666}footer{background:#f5f5f5;color:#333;text-align:center;padding:2rem 1rem;line-height:1.4}footer a{color:var(--accent)}@media (min-width:768px){#hero h1{font-size:3rem}}section{margin-bottom:60px;background:rgba(255,255,255,.05);padding:30px;border-radius:15px;box-shadow:0 5px 25px rgba(0,0,0,.3)}h2{font-size:2rem;color:gold;margin-bottom:20px}h3{font-size:1.5rem;color:#fff;margin:15px 0}table{width:100%;border-collapse:collapse;margin:20px 0;background:rgba(255,255,255,.1)}table th,table td{padding:15px;border:1px solid #000;text-align:left}table th{background:#2a2a5d;color:gold}